Bacillus subtilis Electron microscopic image (Date taken unknown)
Hay Bacillus. Coloured scanning electron micrograph of Bacillus subtilis bacteria. B.subtilis, or the Hay Bacillus, is an aerobic, rod-shaped, Gram-positive bacteria. It is sometimes pathogenic in humans, causing severe eye infections such as iridocyclitis & panopthalmitis. Magnification: x4500 at 6x4.5cm size.